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- // Copyright 2014 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef COMPONENTS_SYNC_ENGINE_SYNC_AUTH_PROVIDER_H_
- #define COMPONENTS_SYNC_ENGINE_SYNC_AUTH_PROVIDER_H_
- #include <string>
- #include "base/callback.h"
- class GoogleServiceAuthError;
- namespace syncer {
- // SyncAuthProvider is interface to access token related functions from sync
- // engine.
- class SyncAuthProvider {
- public:
- using RequestTokenCallback =
- base::OnceCallback<void(const GoogleServiceAuthError& error,
- const std::string& token)>;
- virtual ~SyncAuthProvider() = default;
- // Request access token for sync. Callback will be called with error and
- // access token. If error is anything other than NONE then token is invalid.
- virtual void RequestAccessToken(RequestTokenCallback callback) = 0;
- // Invalidate access token that was rejected by sync server.
- virtual void InvalidateAccessToken(const std::string& token) = 0;
- };
- } // namespace syncer
- #endif // COMPONENTS_SYNC_ENGINE_SYNC_AUTH_PROVIDER_H_
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